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<FONT color="green">001</FONT>    package org.hackystat.sensor.eclipse;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.IOException;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.io.InputStream;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.net.MalformedURLException;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.net.URL;<a name="line.6"></a>
<FONT color="green">007</FONT>    <a name="line.7"></a>
<FONT color="green">008</FONT>    import javax.xml.parsers.DocumentBuilderFactory;<a name="line.8"></a>
<FONT color="green">009</FONT>    import javax.xml.parsers.ParserConfigurationException;<a name="line.9"></a>
<FONT color="green">010</FONT>    <a name="line.10"></a>
<FONT color="green">011</FONT>    import org.eclipse.jface.dialogs.MessageDialog;<a name="line.11"></a>
<FONT color="green">012</FONT>    import org.eclipse.jface.resource.ImageDescriptor;<a name="line.12"></a>
<FONT color="green">013</FONT>    import org.eclipse.swt.widgets.Display;<a name="line.13"></a>
<FONT color="green">014</FONT>    import org.eclipse.swt.widgets.Shell;<a name="line.14"></a>
<FONT color="green">015</FONT>    import org.eclipse.ui.IWorkbench;<a name="line.15"></a>
<FONT color="green">016</FONT>    import org.eclipse.ui.IWorkbenchWindow;<a name="line.16"></a>
<FONT color="green">017</FONT>    import org.eclipse.update.ui.UpdateManagerUI;<a name="line.17"></a>
<FONT color="green">018</FONT>    import org.osgi.framework.Bundle;<a name="line.18"></a>
<FONT color="green">019</FONT>    import org.osgi.framework.Constants;<a name="line.19"></a>
<FONT color="green">020</FONT>    import org.osgi.framework.Version;<a name="line.20"></a>
<FONT color="green">021</FONT>    import org.w3c.dom.Document;<a name="line.21"></a>
<FONT color="green">022</FONT>    import org.w3c.dom.Element;<a name="line.22"></a>
<FONT color="green">023</FONT>    import org.w3c.dom.Node;<a name="line.23"></a>
<FONT color="green">024</FONT>    import org.w3c.dom.NodeList;<a name="line.24"></a>
<FONT color="green">025</FONT>    import org.xml.sax.SAXException;<a name="line.25"></a>
<FONT color="green">026</FONT>    <a name="line.26"></a>
<FONT color="green">027</FONT>    /**<a name="line.27"></a>
<FONT color="green">028</FONT>     * Provides the version check function. Clients may call &lt;code&gt;processUpdateDialog(String)&lt;/code&gt;<a name="line.28"></a>
<FONT color="green">029</FONT>     * to check new version on the server, whose url is specified in the preference page, and<a name="line.29"></a>
<FONT color="green">030</FONT>     * bring update info dialog if the new version is available. Supoorts for both 2x and 3x stream<a name="line.30"></a>
<FONT color="green">031</FONT>     * version information.<a name="line.31"></a>
<FONT color="green">032</FONT>     * <a name="line.32"></a>
<FONT color="green">033</FONT>     * @author Hongbing Kou<a name="line.33"></a>
<FONT color="green">034</FONT>     */<a name="line.34"></a>
<FONT color="green">035</FONT>    public class VersionCheck {<a name="line.35"></a>
<FONT color="green">036</FONT>      /** Bundle object. */<a name="line.36"></a>
<FONT color="green">037</FONT>      private Bundle bundle;<a name="line.37"></a>
<FONT color="green">038</FONT>      <a name="line.38"></a>
<FONT color="green">039</FONT>      /**<a name="line.39"></a>
<FONT color="green">040</FONT>       * Instantiates a version check to a given bundle.<a name="line.40"></a>
<FONT color="green">041</FONT>       * <a name="line.41"></a>
<FONT color="green">042</FONT>       * @param bundle A resource bundle or plugin.<a name="line.42"></a>
<FONT color="green">043</FONT>       */<a name="line.43"></a>
<FONT color="green">044</FONT>      public VersionCheck(Bundle bundle) {<a name="line.44"></a>
<FONT color="green">045</FONT>        this.bundle = bundle;<a name="line.45"></a>
<FONT color="green">046</FONT>      }<a name="line.46"></a>
<FONT color="green">047</FONT>      <a name="line.47"></a>
<FONT color="green">048</FONT>      /**<a name="line.48"></a>
<FONT color="green">049</FONT>       * Creates an image descriptor form the given path. The path should be the relative path from a<a name="line.49"></a>
<FONT color="green">050</FONT>       * project root.<a name="line.50"></a>
<FONT color="green">051</FONT>       *<a name="line.51"></a>
<FONT color="green">052</FONT>       * @param path the relative path from a project root.<a name="line.52"></a>
<FONT color="green">053</FONT>       *<a name="line.53"></a>
<FONT color="green">054</FONT>       * @return the newly created image descriptor.<a name="line.54"></a>
<FONT color="green">055</FONT>       */<a name="line.55"></a>
<FONT color="green">056</FONT>      public ImageDescriptor createImageDescriptor(String path) {<a name="line.56"></a>
<FONT color="green">057</FONT>        try {<a name="line.57"></a>
<FONT color="green">058</FONT>          URL url = this.bundle.getEntry("/");<a name="line.58"></a>
<FONT color="green">059</FONT>          return ImageDescriptor.createFromURL(new URL(url, path));<a name="line.59"></a>
<FONT color="green">060</FONT>        }<a name="line.60"></a>
<FONT color="green">061</FONT>        catch (MalformedURLException e) {<a name="line.61"></a>
<FONT color="green">062</FONT>          return ImageDescriptor.getMissingImageDescriptor();<a name="line.62"></a>
<FONT color="green">063</FONT>        }<a name="line.63"></a>
<FONT color="green">064</FONT>        catch (Exception e) {<a name="line.64"></a>
<FONT color="green">065</FONT>          e.printStackTrace();<a name="line.65"></a>
<FONT color="green">066</FONT>          return ImageDescriptor.getMissingImageDescriptor();<a name="line.66"></a>
<FONT color="green">067</FONT>        }<a name="line.67"></a>
<FONT color="green">068</FONT>      }<a name="line.68"></a>
<FONT color="green">069</FONT>      <a name="line.69"></a>
<FONT color="green">070</FONT>      /**<a name="line.70"></a>
<FONT color="green">071</FONT>       * Processes update dialog to the user. The current version and new version appear in the dialog.<a name="line.71"></a>
<FONT color="green">072</FONT>       * The element of the messages array is follows:<a name="line.72"></a>
<FONT color="green">073</FONT>       * &lt;ul&gt;<a name="line.73"></a>
<FONT color="green">074</FONT>       * &lt;li&gt;The element 0: first message.<a name="line.74"></a>
<FONT color="green">075</FONT>       * &lt;li&gt;The element 1: the message between local version and server version.<a name="line.75"></a>
<FONT color="green">076</FONT>       * &lt;li&gt;The element 2: last message.<a name="line.76"></a>
<FONT color="green">077</FONT>       * &lt;/ul&gt;  <a name="line.77"></a>
<FONT color="green">078</FONT>       * @param updateUrl the url for the update site, which ends with "site.xml".<a name="line.78"></a>
<FONT color="green">079</FONT>       * @param title the title to be shown in the update window page.<a name="line.79"></a>
<FONT color="green">080</FONT>       * @param messages the messages to be shown in the update window page. <a name="line.80"></a>
<FONT color="green">081</FONT>       */<a name="line.81"></a>
<FONT color="green">082</FONT>      public void processUpdateDialog(String updateUrl, final String title, final String[] messages) {<a name="line.82"></a>
<FONT color="green">083</FONT>        if (updateUrl == null) {<a name="line.83"></a>
<FONT color="green">084</FONT>          return;<a name="line.84"></a>
<FONT color="green">085</FONT>        }<a name="line.85"></a>
<FONT color="green">086</FONT>        <a name="line.86"></a>
<FONT color="green">087</FONT>        try { // Gets current version info.<a name="line.87"></a>
<FONT color="green">088</FONT>          Version localVerIdentifier = getLocalPluginVersionIdentifier();<a name="line.88"></a>
<FONT color="green">089</FONT>          String localVerString = localVerIdentifier.toString();<a name="line.89"></a>
<FONT color="green">090</FONT>          final String localVersionId = localVerString.substring(0, localVerString.length() - 2);<a name="line.90"></a>
<FONT color="green">091</FONT>          final String qualifierVersion = localVerIdentifier.getQualifier();<a name="line.91"></a>
<FONT color="green">092</FONT>    <a name="line.92"></a>
<FONT color="green">093</FONT>          // Gets new version info.<a name="line.93"></a>
<FONT color="green">094</FONT>          URL url = new URL(updateUrl);<a name="line.94"></a>
<FONT color="green">095</FONT>          Document serverDocument = parseXml(url.openStream());<a name="line.95"></a>
<FONT color="green">096</FONT>          final Version serverVerIdentifier = getVersionIdentifier(serverDocument, <a name="line.96"></a>
<FONT color="green">097</FONT>              qualifierVersion);<a name="line.97"></a>
<FONT color="green">098</FONT>          // Check if current version is not new version, then show pop up udate dialog.<a name="line.98"></a>
<FONT color="green">099</FONT>          if (serverVerIdentifier != null &amp;&amp; serverVerIdentifier.compareTo(localVerIdentifier) &gt; 0) {<a name="line.99"></a>
<FONT color="green">100</FONT>            String serverVerString = serverVerIdentifier.toString();<a name="line.100"></a>
<FONT color="green">101</FONT>            final String  serverVerId = serverVerString.substring(0, serverVerString.length() - 2);<a name="line.101"></a>
<FONT color="green">102</FONT>            <a name="line.102"></a>
<FONT color="green">103</FONT>            IWorkbench workbench = EclipseSensorPlugin.getInstance().getWorkbench();<a name="line.103"></a>
<FONT color="green">104</FONT>            final IWorkbenchWindow window = workbench.getWorkbenchWindows()[0];<a name="line.104"></a>
<FONT color="green">105</FONT>            final String HACKYSTAT_ICON = EclipseSensorI18n.getString("VersionCheck.hackystatIcon");<a name="line.105"></a>
<FONT color="green">106</FONT>            Display.getDefault().asyncExec(new Runnable() {<a name="line.106"></a>
<FONT color="green">107</FONT>              public void run() {<a name="line.107"></a>
<FONT color="green">108</FONT>                MessageDialog dialog = new MessageDialog(window.getShell(),<a name="line.108"></a>
<FONT color="green">109</FONT>                title,<a name="line.109"></a>
<FONT color="green">110</FONT>                createImageDescriptor(HACKYSTAT_ICON).createImage(), <a name="line.110"></a>
<FONT color="green">111</FONT>                messages[0] + localVersionId + messages[1] + serverVerId + <a name="line.111"></a>
<FONT color="green">112</FONT>                  messages[2],<a name="line.112"></a>
<FONT color="green">113</FONT>                MessageDialog.QUESTION,<a name="line.113"></a>
<FONT color="green">114</FONT>                new String[] {<a name="line.114"></a>
<FONT color="green">115</FONT>                  EclipseSensorI18n.getString("VersionCheck.messageDialogButtonUpdate"),<a name="line.115"></a>
<FONT color="green">116</FONT>                  EclipseSensorI18n.getString("VersionCheck.messageDialogButtonCancel")<a name="line.116"></a>
<FONT color="green">117</FONT>                },<a name="line.117"></a>
<FONT color="green">118</FONT>                0);<a name="line.118"></a>
<FONT color="green">119</FONT>                  <a name="line.119"></a>
<FONT color="green">120</FONT>                int result = dialog.open();<a name="line.120"></a>
<FONT color="green">121</FONT>                if (result == 0) {<a name="line.121"></a>
<FONT color="green">122</FONT>                  openNewUpdatesWizard();<a name="line.122"></a>
<FONT color="green">123</FONT>                }<a name="line.123"></a>
<FONT color="green">124</FONT>              }<a name="line.124"></a>
<FONT color="green">125</FONT>             });<a name="line.125"></a>
<FONT color="green">126</FONT>          }<a name="line.126"></a>
<FONT color="green">127</FONT>        }<a name="line.127"></a>
<FONT color="green">128</FONT>        catch (Exception e) {<a name="line.128"></a>
<FONT color="green">129</FONT>          e.printStackTrace();<a name="line.129"></a>
<FONT color="green">130</FONT>          EclipseSensorPlugin.getInstance().log(e);<a name="line.130"></a>
<FONT color="green">131</FONT>          //couldn't parse xml file, or even though xml is parsed, version attribute is not found.<a name="line.131"></a>
<FONT color="green">132</FONT>        }<a name="line.132"></a>
<FONT color="green">133</FONT>      }<a name="line.133"></a>
<FONT color="green">134</FONT>      <a name="line.134"></a>
<FONT color="green">135</FONT>      /**<a name="line.135"></a>
<FONT color="green">136</FONT>       * Gets the local plugin version identifier.<a name="line.136"></a>
<FONT color="green">137</FONT>       * <a name="line.137"></a>
<FONT color="green">138</FONT>       * @return the local plugin version identifier.<a name="line.138"></a>
<FONT color="green">139</FONT>       */<a name="line.139"></a>
<FONT color="green">140</FONT>      private Version getLocalPluginVersionIdentifier() {<a name="line.140"></a>
<FONT color="green">141</FONT>        String version = "8.0.0";<a name="line.141"></a>
<FONT color="green">142</FONT>        if (this.bundle != null) {<a name="line.142"></a>
<FONT color="green">143</FONT>          version = (String) this.bundle.getHeaders().get(Constants.BUNDLE_VERSION);  <a name="line.143"></a>
<FONT color="green">144</FONT>        }<a name="line.144"></a>
<FONT color="green">145</FONT>        <a name="line.145"></a>
<FONT color="green">146</FONT>        return new Version(version);    <a name="line.146"></a>
<FONT color="green">147</FONT>      }<a name="line.147"></a>
<FONT color="green">148</FONT>    <a name="line.148"></a>
<FONT color="green">149</FONT>      /**<a name="line.149"></a>
<FONT color="green">150</FONT>       * Gets version information from the given Document object, checking the qualifier version. The<a name="line.150"></a>
<FONT color="green">151</FONT>       * qualifier version is the last token of the version identifier. For example, if the version<a name="line.151"></a>
<FONT color="green">152</FONT>       * identifier is 1.4.204.2x, the qualifier version is 2x.<a name="line.152"></a>
<FONT color="green">153</FONT>       *<a name="line.153"></a>
<FONT color="green">154</FONT>       * @param document The Document object parsed from XML file.<a name="line.154"></a>
<FONT color="green">155</FONT>       * @param qualifierVersion The qualifier version. e.g 2x for the 1.4.204.2x<a name="line.155"></a>
<FONT color="green">156</FONT>       *<a name="line.156"></a>
<FONT color="green">157</FONT>       * @return The PluginVersionIdentifier instance if it's found.Returns null if the version<a name="line.157"></a>
<FONT color="green">158</FONT>       *         information is not found.<a name="line.158"></a>
<FONT color="green">159</FONT>       */<a name="line.159"></a>
<FONT color="green">160</FONT>      private static Version getVersionIdentifier(Document document,<a name="line.160"></a>
<FONT color="green">161</FONT>        String qualifierVersion) {<a name="line.161"></a>
<FONT color="green">162</FONT>        Element root = document.getDocumentElement();<a name="line.162"></a>
<FONT color="green">163</FONT>        NodeList list = root.getChildNodes();<a name="line.163"></a>
<FONT color="green">164</FONT>        final String FEATURE = "feature";<a name="line.164"></a>
<FONT color="green">165</FONT>        for (int i = 0; i &lt; list.getLength(); i++) {<a name="line.165"></a>
<FONT color="green">166</FONT>          if ((list.item(i).getNodeType() == Node.ELEMENT_NODE)<a name="line.166"></a>
<FONT color="green">167</FONT>              &amp;&amp; list.item(i).getNodeName().equalsIgnoreCase(FEATURE)) {<a name="line.167"></a>
<FONT color="green">168</FONT>            Element element = (Element) list.item(i);<a name="line.168"></a>
<FONT color="green">169</FONT>            Version identifier = getVersion(element);<a name="line.169"></a>
<FONT color="green">170</FONT>            if (identifier != null &amp;&amp; identifier.getQualifier().equals(qualifierVersion)) {<a name="line.170"></a>
<FONT color="green">171</FONT>              return identifier;<a name="line.171"></a>
<FONT color="green">172</FONT>            }<a name="line.172"></a>
<FONT color="green">173</FONT>          }<a name="line.173"></a>
<FONT color="green">174</FONT>        }<a name="line.174"></a>
<FONT color="green">175</FONT>        return null;<a name="line.175"></a>
<FONT color="green">176</FONT>      }<a name="line.176"></a>
<FONT color="green">177</FONT>    <a name="line.177"></a>
<FONT color="green">178</FONT>      /**<a name="line.178"></a>
<FONT color="green">179</FONT>       * Gets the version from the element.<a name="line.179"></a>
<FONT color="green">180</FONT>       * <a name="line.180"></a>
<FONT color="green">181</FONT>       * @param element Element node in the XML file.<a name="line.181"></a>
<FONT color="green">182</FONT>       * @return Version if the feature node has a valid version number. <a name="line.182"></a>
<FONT color="green">183</FONT>       */<a name="line.183"></a>
<FONT color="green">184</FONT>      private static Version getVersion(Element element) {<a name="line.184"></a>
<FONT color="green">185</FONT>        Version identifier = null; <a name="line.185"></a>
<FONT color="green">186</FONT>        <a name="line.186"></a>
<FONT color="green">187</FONT>        if (element.hasAttribute("version")) {<a name="line.187"></a>
<FONT color="green">188</FONT>          String version = element.getAttribute("version");<a name="line.188"></a>
<FONT color="green">189</FONT>          String[] versions = version.split("\\.");<a name="line.189"></a>
<FONT color="green">190</FONT>          String newVersion = versions[0] + "." + versions[1];   <a name="line.190"></a>
<FONT color="green">191</FONT>          identifier = new Version(newVersion);<a name="line.191"></a>
<FONT color="green">192</FONT>        }<a name="line.192"></a>
<FONT color="green">193</FONT>        <a name="line.193"></a>
<FONT color="green">194</FONT>        return identifier;<a name="line.194"></a>
<FONT color="green">195</FONT>      }<a name="line.195"></a>
<FONT color="green">196</FONT>      <a name="line.196"></a>
<FONT color="green">197</FONT>      /**<a name="line.197"></a>
<FONT color="green">198</FONT>       * Parses xml file to generate Document object from a given input stream.<a name="line.198"></a>
<FONT color="green">199</FONT>       *<a name="line.199"></a>
<FONT color="green">200</FONT>       * @param input The given input stream from which xml file is read.<a name="line.200"></a>
<FONT color="green">201</FONT>       *<a name="line.201"></a>
<FONT color="green">202</FONT>       * @return The Documentation object which contains the content parsed from the XML file. Returns<a name="line.202"></a>
<FONT color="green">203</FONT>       *         null if parse error occurs.<a name="line.203"></a>
<FONT color="green">204</FONT>       */<a name="line.204"></a>
<FONT color="green">205</FONT>      private static Document parseXml(InputStream input) {<a name="line.205"></a>
<FONT color="green">206</FONT>        try {<a name="line.206"></a>
<FONT color="green">207</FONT>          // Create a builder factory<a name="line.207"></a>
<FONT color="green">208</FONT>          DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();<a name="line.208"></a>
<FONT color="green">209</FONT>          factory.setValidating(false);<a name="line.209"></a>
<FONT color="green">210</FONT>          // Create the builder and parse the file<a name="line.210"></a>
<FONT color="green">211</FONT>          Document document = factory.newDocumentBuilder().parse(input);<a name="line.211"></a>
<FONT color="green">212</FONT>          input.close();<a name="line.212"></a>
<FONT color="green">213</FONT>          return document;<a name="line.213"></a>
<FONT color="green">214</FONT>        }<a name="line.214"></a>
<FONT color="green">215</FONT>        catch (SAXException e) {<a name="line.215"></a>
<FONT color="green">216</FONT>          // A parsing error occurred; the xml input is not valid<a name="line.216"></a>
<FONT color="green">217</FONT>          EclipseSensorPlugin.getInstance().log(e);<a name="line.217"></a>
<FONT color="green">218</FONT>        }<a name="line.218"></a>
<FONT color="green">219</FONT>        catch (ParserConfigurationException e) {<a name="line.219"></a>
<FONT color="green">220</FONT>          EclipseSensorPlugin.getInstance().log(e);<a name="line.220"></a>
<FONT color="green">221</FONT>        }<a name="line.221"></a>
<FONT color="green">222</FONT>        catch (IOException e) {<a name="line.222"></a>
<FONT color="green">223</FONT>          EclipseSensorPlugin.getInstance().log(e);<a name="line.223"></a>
<FONT color="green">224</FONT>        }<a name="line.224"></a>
<FONT color="green">225</FONT>        return null;<a name="line.225"></a>
<FONT color="green">226</FONT>      }<a name="line.226"></a>
<FONT color="green">227</FONT>      <a name="line.227"></a>
<FONT color="green">228</FONT>      /**<a name="line.228"></a>
<FONT color="green">229</FONT>       * Openes new update wizard. Uses reflection depending upon eclipse verison stream.<a name="line.229"></a>
<FONT color="green">230</FONT>       * So that each stream can implement different class to open new updat wizard. <a name="line.230"></a>
<FONT color="green">231</FONT>       */<a name="line.231"></a>
<FONT color="green">232</FONT>      private void openNewUpdatesWizard() {<a name="line.232"></a>
<FONT color="green">233</FONT>        IWorkbench workbench = EclipseSensorPlugin.getInstance().getWorkbench();<a name="line.233"></a>
<FONT color="green">234</FONT>    <a name="line.234"></a>
<FONT color="green">235</FONT>        IWorkbenchWindow activeWindow = workbench.getActiveWorkbenchWindow();<a name="line.235"></a>
<FONT color="green">236</FONT>        if (activeWindow != null) {<a name="line.236"></a>
<FONT color="green">237</FONT>          Shell shell = workbench.getActiveWorkbenchWindow().getShell();<a name="line.237"></a>
<FONT color="green">238</FONT>          UpdateManagerUI.openInstaller(shell); <a name="line.238"></a>
<FONT color="green">239</FONT>    //      IWizard wizard = new InstallWizard(null);<a name="line.239"></a>
<FONT color="green">240</FONT>    //      WizardDialog dialog = new ResizableInstallWizardDialog(shell, wizard, "");<a name="line.240"></a>
<FONT color="green">241</FONT>    //      dialog.create();<a name="line.241"></a>
<FONT color="green">242</FONT>    //      //dialog.getShell().setText(UpdateUI.getString("InstallWizardAction.title")); //$NON-NLS-1$<a name="line.242"></a>
<FONT color="green">243</FONT>    //      dialog.getShell().setText(UpdateUI.getPluginId());<a name="line.243"></a>
<FONT color="green">244</FONT>    //      dialog.getShell().setSize(600, 500);<a name="line.244"></a>
<FONT color="green">245</FONT>    //      dialog.open();<a name="line.245"></a>
<FONT color="green">246</FONT>        }<a name="line.246"></a>
<FONT color="green">247</FONT>      }<a name="line.247"></a>
<FONT color="green">248</FONT>    }<a name="line.248"></a>




























































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